Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the month that records the lowest temperatures, with averages ranging from a high of 8.3°C (46.9°F) to a low of 5.1°C (41.2°F).Humidity
In Portofino, the average relative humidity in January is 77%.Rainfall
In Portofino, during January, the rain falls for 11.3 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, in Portofino, there are 173.6 rainfall days, and 780mm (30.71") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. In Portofino, in January, during 0.2 snowfall days, 1mm (0.04") of snow is typically accumulated. In Portofino, during the entire year, snow falls for 1.3 days and aggregates up to 15mm (0.59") of snow.Sea temperature
In Portofino, the average seawater temperature in January is 13.6°C (56.5°F).Note: Swimming in 13.6°C (56.5°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In Portofino, the average length of the day in January is 9h and 18min.On the first day of January in Portofino, sunrise is at 07:58 and sunset at 16:54. On the last day of the month, sunrise is at 07:42 and sunset at 17:30 CET.
Sunshine
The average sunshine in January in Portofino is 5.4h.UV index
January is the month with the lowest UV index in Portofino, Italy, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What time of the year is the coldest in Portofino?
What are January temperatures in Portofino?
What is the average humidity in January in Portofino?
How much does it rain in Portofino in January?
How many days does it snow in January in Portofino?
How cold is the water in January in Portofino?
How many hours of daylight does Portofino have in January?
What time are sunrise and sunset in January in Portofino?
How many hours of sunshine does Portofino have in January?
What is the month with the lowest UV index in Portofino?
What is the UV index intensity in January in Portofino?
Average temperature in January
Portofino, Italy
- Average high temperature in January: 8.3°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in January: 5.1°C
The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in January
Portofino, Italy
- Average pressure in January: 1016.7mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The months with the lowest atmospheric pressure are April, May and July (1013.9mbar).
Average wind speed in January
Portofino, Italy
- Average wind speed in January: 11.5km/h
The windiest month (with the highest average wind speed) is February (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in January
Portofino, Italy
- Average humidity in January: 77%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (72%).
Average rainfall in January
Portofino, Italy
- Average rainfall in January: 51mm
The wettest month (with the highest rainfall) is November (118mm).
The driest month (with the least rainfall) is September (47mm).
Average rainfall days in January
Portofino, Italy
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (11.3 days).
Average snowfall in January
Portofino, Italy
- Average snowfall in January: 1mm
The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Portofino, Italy
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Portofino, Italy
- Average sea temperature in January: 13.6°C
The best month for swimming (with the highest average sea temperature) is August (24.4°C).
The coldest month (with the lowest average sea temperature) is February (13°C).
Average daylight in January /
Average sunshine in January
Portofino, Italy
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 5h and 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in January
Portofino, Italy
- Average sunshine days in January: 17.1 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in January
Portofino, Italy
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Portofino, Italy
- Average cloud cover in January: 41
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in January
Portofino, Italy
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Portofino, Italy
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